WO2022141610A1 - Dispositif de puissance à vapeur à circulation combinée à deux carburants - Google Patents

Dispositif de puissance à vapeur à circulation combinée à deux carburants Download PDF

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Publication number
WO2022141610A1
WO2022141610A1 PCT/CN2021/000248 CN2021000248W WO2022141610A1 WO 2022141610 A1 WO2022141610 A1 WO 2022141610A1 CN 2021000248 W CN2021000248 W CN 2021000248W WO 2022141610 A1 WO2022141610 A1 WO 2022141610A1
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Prior art keywords
boiler
steam
communicates
heat source
compressor
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PCT/CN2021/000248
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English (en)
Chinese (zh)
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李华玉
李鸿瑞
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李华玉
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Publication of WO2022141610A1 publication Critical patent/WO2022141610A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers

Definitions

  • the invention belongs to the technical field of thermodynamics and thermodynamics.
  • the temperature of the fuel gas formed by the combustion of the fuel is closely related to the thermal power conversion efficiency; from the point of view of the gas temperature formed by combustion (such as the combustion temperature at constant pressure), the high-grade combustion gas with high combustion temperature at constant pressure is of high quality.
  • Fuel, with high combustion product temperature can independently become a high-temperature heat source that can meet the high-efficiency power cycle and convert more mechanical energy; while the low-grade fuel with low constant-pressure combustion temperature is difficult to form high-temperature combustion products, and it is difficult to become a high-efficiency power cycle.
  • the high temperature heat source converts relatively little mechanical energy.
  • the present invention provides a reasonable combination of low-grade fuel and high-grade fuel to jointly build a heat source, realizes learning from each other and complements each other's advantages, and can greatly improve the thermal change of low-grade fuel.
  • a dual-fuel combined cycle steam power plant that can reduce greenhouse gas emissions and effectively reduce fuel costs.
  • the main purpose of the present invention is to provide a dual-fuel combined cycle steam power plant, and the specific content of the invention is described as follows:
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator;
  • the high-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external is also connected.
  • the second boiler There is an air channel that communicates with the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that communicates with the outside through the second heat source regenerator; the condenser has a condensate pipeline through a booster pump and the evaporator.
  • the evaporator has a steam channel that communicates with the second boiler
  • the compressor has a steam channel that communicates with the second boiler
  • the second boiler also has a steam channel that communicates with the steam turbine
  • the steam turbine has a low-pressure steam channel that communicates with the evaporator and divides it into two paths.
  • the first path is communicated with the compressor and the second path is communicated with the condenser; the condenser and the cooling medium channel are communicated with the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; Connect the compressor and booster pump and transmit power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator, a second heat source regenerator and a high temperature regenerator.
  • It consists of a low-grade fuel channel on the outside that communicates with the boiler, an air channel on the outside that communicates with the boiler through a heat source regenerator, and a gas channel on the boiler that communicates with the outside through the heat source regenerator; and a high-grade fuel channel on the outside that communicates with the second
  • the boiler is connected to the outside, and there is an external air channel that is connected to the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that is connected to the outside through the second heat source regenerator;
  • the evaporator has a steam channel that communicates with the second boiler through the high temperature regenerator
  • the compressor has a steam channel that communicates with the second boiler through the high temperature regenerator
  • the second boiler has a steam channel that communicates with the steam turbine.
  • the steam turbine also has a low-pressure steam channel that is connected to the evaporator through the high-temperature regenerator and then divided into two paths - the first path is connected to the compressor and the second path is connected to the condenser; the condenser and the cooling medium channel are connected to the outside, the steam turbine
  • the compressor is connected and the power is transmitted to form a dual-fuel combined cycle steam power plant; wherein, the or steam turbine is connected to the compressor and the booster pump and transmits the power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator, a second heat source regenerator and a high temperature regenerator.
  • It consists of a low-grade fuel channel on the outside that communicates with the boiler, an air channel on the outside that communicates with the boiler through a heat source regenerator, and a gas channel on the boiler that communicates with the outside through the heat source regenerator; and a high-grade fuel channel on the outside that communicates with the second
  • the boiler is connected to the outside, and there is an external air channel that is connected to the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that is connected to the outside through the second heat source regenerator;
  • the evaporator has a steam channel that communicates with the second boiler through the high temperature regenerator
  • the compressor has a steam channel that communicates with the second boiler through the high temperature regenerator
  • the second boiler has a steam channel that communicates with the steam turbine.
  • the steam turbine has a steam passage that communicates with itself through the high-temperature regenerator, and the steam turbine also has a low-pressure steam passage that communicates with the evaporator and then divides into two paths—the first path communicates with the compressor and the second path communicates with the condenser; the condenser also There is a cooling medium channel that communicates with the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; wherein, the or steam turbine is connected to the compressor and the booster pump and transmits power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, a boiler, a second boiler, a heat source regenerator, a second heat source regenerator and a heat supply unit; external
  • the low-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external
  • the condenser has a condensate pipeline through a booster pump and the boiler.
  • the boiler has a steam channel that communicates with the second boiler
  • the compressor has a steam channel that communicates with the second boiler
  • the second boiler also has a steam channel that communicates with the steam turbine
  • the steam turbine has a low-pressure steam channel that communicates with the heater and divides it into two paths.
  • the first way is communicated with the compressor and the second way is communicated with the condenser; the condenser and the cooling medium channel are communicated with the outside, the heater and the heated medium channel are communicated with the outside, the steam turbine is connected with the compressor and transmits power,
  • a dual-fuel combined cycle steam power plant is formed; in which the or steam turbine connects the compressor and booster pump and transmits power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator;
  • the high-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external is also connected.
  • the second boiler There is an air channel that communicates with the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that communicates with the outside through the second heat source regenerator;
  • the condenser has a condensate pipeline through a booster pump and the evaporator.
  • the evaporator has a steam channel that communicates with the steam turbine through the intermediate port after the boiler, the compressor has a steam channel that communicates with the second boiler, the second boiler also has a steam channel that communicates with the steam turbine, and the steam turbine also has a low-pressure steam channel that communicates with the evaporator.
  • the first path is connected to the compressor and the second path is connected to the condenser; the condenser and the cooling medium channel are connected to the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; Among them, or the steam turbine connects the compressor and the booster pump and transmits the power.
  • Dual-fuel combined cycle steam power plant mainly composed of steam turbine, compressor, booster pump, condenser, evaporator, boiler, second boiler, heat source regenerator, second heat source regenerator and second steam turbine ;
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator.
  • the condenser has a condensate pipeline that is boosted by pressure
  • the evaporator has a steam channel that communicates with the second steam turbine
  • the second steam turbine also has a low-pressure steam channel that communicates with the evaporator
  • the compressor has a steam channel that communicates with the second boiler
  • the second boiler also has a steam channel that communicates with the evaporator.
  • the steam turbine communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the evaporator.
  • the evaporator and the low-pressure steam passage communicate with the compressor and the condenser respectively; the condenser and the cooling medium passage communicate with the outside, and the steam turbine is connected to the compressor and transmits power to form A dual-fuel combined cycle steam power plant; in which an OR steam turbine connects the compressor and booster pump and transmits power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator;
  • the high-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external is also connected.
  • the second boiler There is an air channel that communicates with the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that communicates with the outside through the second heat source regenerator; the condenser has a condensate pipeline through a booster pump and the evaporator.
  • the evaporator has a steam channel that communicates with the second boiler through the boiler
  • the compressor has a steam channel that communicates with the second boiler through the boiler
  • the second boiler also has a steam channel that communicates with the steam turbine
  • the steam turbine also has a low-pressure steam channel that communicates with the evaporator.
  • the first path is connected to the compressor and the second path is connected to the condenser; the condenser and the cooling medium channel are connected to the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; Among them, or the steam turbine connects the compressor and the booster pump and transmits the power.
  • Dual-fuel combined cycle steam power plant mainly composed of steam turbine, compressor, booster pump, condenser, evaporator, boiler, second boiler, heat source regenerator, second heat source regenerator and high temperature regenerator. It consists of a low-grade fuel channel on the outside that communicates with the boiler, an air channel on the outside that communicates with the boiler through a heat source regenerator, and a gas channel on the boiler that communicates with the outside through the heat source regenerator; and a high-grade fuel channel on the outside that communicates with the second
  • the boiler is connected to the outside, and there is an external air channel that is connected to the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that is connected to the outside through the second heat source regenerator; After the pressure pump is communicated with the evaporator, the evaporator has a steam channel that communicates with the second boiler through the high temperature regenerator and the boiler, and the compressor has a steam channel that communicates with the second boiler through the high temperature regenerator and the boiler
  • the channel is connected with the steam turbine, and the steam turbine and the low-pressure steam channel are connected with the evaporator through the high temperature regenerator and then divided into two paths - the first path is connected with the compressor and the second path is connected with the condenser; the condenser also has a cooling medium channel with Externally connected, the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; wherein, the or steam turbine is connected to the compressor and the booster pump and transmits the power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator, a second heat source regenerator and a high temperature regenerator.
  • It consists of a low-grade fuel channel on the outside that communicates with the boiler, an air channel on the outside that communicates with the boiler through a heat source regenerator, and a gas channel on the boiler that communicates with the outside through the heat source regenerator; and a high-grade fuel channel on the outside that communicates with the second
  • the boiler is connected to the outside, and there is an external air channel that is connected to the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that is connected to the outside through the second heat source regenerator;
  • the evaporator has a steam channel that communicates with the second boiler through the high temperature regenerator and the boiler
  • the compressor has a steam channel that communicates with the second boiler through the high temperature regenerator and the boiler, and the second boiler also has steam.
  • the steam turbine After the channel is connected with the steam turbine, the steam turbine has a steam channel that communicates with itself through the high temperature regenerator, and the steam turbine also has a low-pressure steam channel that communicates with the evaporator and then divides into two paths—the first path is connected to the compressor and the second path is connected to the condenser.
  • the condenser and the cooling medium channel are connected to the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; wherein, the or steam turbine is connected to the compressor and the booster pump and transmits power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, a boiler, a second boiler, a heat source regenerator, a second heat source regenerator and a heat supply unit; external
  • the low-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external
  • the condenser has a condensate pipeline through a booster pump and the boiler.
  • the boiler has a steam channel that communicates with the second boiler
  • the compressor has a steam channel that communicates with the second boiler through the boiler
  • the second boiler also has a steam channel that communicates with the steam turbine
  • the steam turbine has a low-pressure steam channel that communicates with the heater and then is divided into two parts.
  • Two-way - the first way is connected to the compressor and the second way is connected to the condenser; the condenser and the cooling medium channel are connected to the outside, the heater and the heated medium channel are connected to the outside, and the steam turbine is connected to the compressor and transmits power, forming a dual-fuel combined cycle steam power plant; in which, the or steam turbine connects the compressor and the booster pump and transmits the power.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator;
  • the high-grade fuel channel is communicated with the boiler, the external air channel is communicated with the boiler through the heat source regenerator, and the boiler also has a gas channel communicated with the outside through the heat source regenerator; the external high-grade fuel channel is communicated with the second boiler, and the external is also connected.
  • the second boiler There is an air channel that communicates with the second boiler through the second heat source regenerator and the boiler, and the second boiler also has a gas channel that communicates with the outside through the second heat source regenerator;
  • the condenser has a condensate pipeline through a booster pump and the evaporator.
  • the evaporator has a steam channel that is connected to the steam turbine through the intermediate port after the boiler.
  • the compressor has a steam channel that communicates with the second boiler through the boiler.
  • the second boiler also has a steam channel that communicates with the steam turbine, and the steam turbine also has a low-pressure steam channel.
  • the compressor After the compressor is connected, it is divided into two paths - the first path is connected to the compressor and the second path is connected to the condenser; the condenser and the cooling medium channel are connected to the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power A device; wherein, or a steam turbine connects a compressor and a booster pump and transmits power.
  • Dual-fuel combined cycle steam power plant mainly composed of steam turbine, compressor, booster pump, condenser, evaporator, boiler, second boiler, heat source regenerator, second heat source regenerator and second steam turbine ;
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator.
  • the condenser has a condensate pipeline that is boosted by pressure
  • the evaporator has a steam channel that communicates with the second steam turbine
  • the second steam turbine also has a low-pressure steam channel that communicates with the evaporator
  • the compressor has a steam channel that communicates with the second boiler through the boiler, and the second boiler also has steam.
  • the passage communicates with the steam turbine, the steam turbine also has a low-pressure steam passage that communicates with the evaporator, and the evaporator and the low-pressure steam passage communicate with the compressor and the condenser respectively; the condenser and the cooling medium passage are communicated with the outside, and the steam turbine is connected to the compressor and transmits power , forming a dual-fuel combined cycle steam power plant; wherein, the steam turbine connects the compressor and the booster pump and transmits power.
  • a dual-fuel combined cycle steam power plant in any of the dual-fuel combined cycle steam power plants described in items 1 to 12, the second boiler has a steam passage and is adjusted to communicate with the steam turbine so that the second boiler has steam After the passage is communicated with the steam turbine, the steam turbine also has a reheat steam passage that communicates with itself through the boiler to form a dual-fuel combined cycle steam power plant.
  • a dual-fuel combined cycle steam power plant in any one of the dual-fuel combined cycle steam power plants described in items 1-12, the second boiler has a steam passage and is adjusted to communicate with the steam turbine so that the second boiler has steam After the passage is communicated with the steam turbine, the steam turbine also has a reheat steam passage that communicates with itself through the second boiler to form a dual-fuel combined cycle steam power plant.
  • a dual-fuel combined cycle steam power plant in any one of the dual-fuel combined cycle steam power plants described in items 1-12, the second boiler has a steam passage and is adjusted to communicate with the steam turbine so that the second boiler has steam After the passage is communicated with the steam turbine, the steam turbine also has a reheat steam passage that communicates with itself through the boiler and the second boiler to form a dual-fuel combined cycle steam power plant.
  • the dual-fuel combined cycle steam power plant is any one of the dual-fuel combined cycle steam power plants described in items 1-15, adding a regenerator and a second booster pump, and the condenser has a condensate.
  • the communication between the pipeline and the booster pump is adjusted so that the condenser has a condensate pipeline that is connected to the regenerator through the second booster pump, the compressor is provided with a steam extraction channel and is connected to the regenerator, and the regenerator has a condensate pipeline to communicate with the regenerator.
  • the booster pump is connected to form a dual-fuel combined cycle steam power plant.
  • Dual-fuel combined cycle steam power plant in any of the dual-fuel combined cycle steam power plants described in Items 1-15, an expansion speed-up machine is added to replace the steam turbine, and a dual-energy compressor is added to replace the compressor.
  • the diffuser tube is added and the booster pump is replaced to form a dual-fuel combined cycle steam power plant.
  • the dual-fuel combined cycle steam power plant is any one of the dual-fuel combined cycle steam power plants described in item 16, adding an expansion speed increaser and replacing the steam turbine, adding a dual-energy compressor and replacing the compressor, A diffuser pipe is added to replace the booster pump, and a second diffuser pipe is added to replace the second booster pump to form a dual-fuel combined cycle steam power plant.
  • the second heat source regenerator is eliminated, and the external air passage is recuperated through the heat source.
  • the second heat source regenerator communicates with the boiler and the external air channel communicates with the second boiler through the second heat source regenerator. After adjusting that the external air channel communicates with the heat source regenerator, it is divided into two paths—the first path is connected to the boiler, and the second path is connected to the boiler.
  • the second path is communicated with the second boiler through the boiler; the second boiler has a gas channel that communicates with the outside through the second heat source regenerator, and the second boiler has a gas channel that communicates with the outside through the heat source regenerator to form dual-fuel combined cycle steam powerplant.
  • the dual-fuel combined cycle steam power plant is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler and a heat source regenerator; the external low-grade fuel channel is connected to the boiler, There is also an external air channel that communicates with the heat source regenerator and then is divided into two paths—the first path is connected to the boiler, and the second path is connected to the second boiler through the boiler.
  • the boiler also has an initial gas channel that communicates with the second boiler.
  • the high-grade fuel channel is communicated with the second boiler, and the second boiler also has a gas channel that communicates with the outside through the heat source regenerator; the condenser has a condensate pipeline that communicates with the evaporator through a booster pump, and then the evaporator has a steam channel to communicate with the first.
  • the second boiler is connected, the compressor has a steam channel that communicates with the second boiler, the second boiler also has a steam channel that communicates with the steam turbine, and the steam turbine also has a low-pressure steam channel that communicates with the evaporator and is divided into two paths—the first path is connected with the compressor and The second path is communicated with the condenser; the condenser also has a cooling medium channel communicated with the outside, and the steam turbine is connected to the compressor and transmits power to form a dual-fuel combined cycle steam power plant; wherein, the steam turbine is connected to the compressor and the booster pump and transmits power .
  • Figure 1/13 is a first principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Figure 2/13 is a second principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 3/13 is the third principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • Figure 4/13 is a fourth principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 5/13 is the fifth principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 6/13 is the sixth principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 7/13 is the seventh principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • Figure 8/13 is the eighth principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 9/13 is the ninth principle thermodynamic system diagram of the dual-fuel combined cycle steam power plant provided according to the present invention.
  • 10/13 is a tenth principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 11/13 is an eleventh principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Fig. 12/13 is a twelfth principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • Figure 13/13 is a thirteenth principle thermodynamic system diagram of a dual-fuel combined cycle steam power plant provided according to the present invention.
  • the steam flows through the steam turbine 1 to achieve thermal power conversion.
  • the mechanical energy required by the engine 2 and the booster pump 3 can be provided by the steam turbine 1 or externally through mechanical transmission.
  • the steam at the outlet of the expansion speed-up machine 15 also has a very low pressure, but the flow rate is relatively large (a part of the pressure drop is converted into the kinetic energy of the low-pressure steam) to meet the
  • the diffuser 17 needs to reduce the speed and increase the pressure, and at the same time transmit part of the mechanical energy to the dual-energy compressor 16 through the circulating working medium itself for the pressure increase and temperature increase.
  • the heat source regenerator refers to the temperature grade of the gas in the boiler, which is listed separately.
  • relevant heat exchangers heat exchange tube bundles
  • relevant heat exchangers heat exchange tube bundles
  • an economizer that heats the condensate after being boosted by a booster pump if necessary
  • an evaporator and an evaporator for regenerating the steam if necessary Hot reheaters, etc.
  • the boiler 6 undertakes the task of heating the air entering the second boiler 7; in some cases, it also undertakes the task of heating and vaporizing the circulating condensate.
  • 1Low-grade fuel refers to the fuel with the highest temperature (such as adiabatic combustion temperature or constant pressure combustion temperature) that can be formed by combustion products, such as coal gangue, coal slime, combustible garbage, etc. From the concept of heat source, low-grade fuel refers to fuel whose combustion products are difficult to form a high-temperature heat source with higher temperature.
  • High-grade fuel refers to the fuel with relatively high highest temperature (such as adiabatic combustion temperature or constant pressure combustion temperature) that can be formed by combustion products, such as high-quality coal, natural gas, methane, hydrogen, etc. From the concept of heat source, high-grade fuel refers to fuel whose combustion products can form a high-temperature heat source with higher temperature.
  • the highest temperature (such as adiabatic combustion temperature or constant pressure combustion temperature) that can be formed by combustion products of high-grade fuel after mixing part of low-grade fuel into fuel is higher than that of low-grade fuel; in contrast, the fuel is High-grade fuel - It should be noted that the high temperature heat source formed by this fuel still needs to meet the needs of the thermodynamic cycle.
  • the heating task of the air is undertaken by the boiler 6, and the temperature of the combustion product (high-temperature heat source) formed by this fuel will be raised—this is a problem for low-grade fuels.
  • the same kind of fuel put into the second boiler 7 will be transformed into (like) high-grade fuel.
  • the gaseous substances in the combustion products are the core of the heat source and are an important part of the thermal system; while the solid substances in the combustion products, such as waste residue, the heat energy contained in them is utilized (the utilization process and equipment are included in the inside the boiler, or after preheating air outside the boiler body) is not listed separately, nor is its role described separately.
  • Structurally it is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator; there is a low-grade fuel channel outside.
  • the outside Connected with the boiler 6, the outside also has an air channel that communicates with the boiler 6 through the heat source regenerator 8, and the boiler 6 also has a gas channel that communicates with the outside through the heat source regenerator 8; , the outside also has an air passage that communicates with the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas passage that communicates with the outside through the second heat source regenerator 9;
  • the condenser 4 has condensate After the pipeline is communicated with the evaporator 5 through the booster pump 3, the evaporator 5 has a steam channel to communicate with the second boiler 7, the compressor 2 has a steam channel to communicate with the second boiler 7, and the second boiler 7 also has a steam channel to communicate with the steam turbine.
  • the steam turbine 1 is connected, and the steam turbine 1 also has a low-pressure steam channel that communicates with the evaporator 5 and then is divided into two paths—the first path communicates with the compressor 2 and the second path communicates with the condenser 4; the condenser 4 also has a cooling medium channel that communicates with the outside. , the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; After superheating, it enters the second boiler 7 to absorb heat and heat up, and the steam discharged from the compressor 2 enters the second boiler 7 to absorb heat and heat up;
  • the heat is released and cooled by the evaporator 5, and then divided into two paths - the first path enters the compressor 2 to increase the pressure, and the second path enters the condenser 4 to release heat and condense; the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the first pass.
  • the two boilers 7 jointly provide the driving heat load, the cooling medium takes away the low temperature heat load through the condenser 4, the work output by the steam turbine 1 is provided to the compressor 2 and the external power or the work output by the steam turbine 1 is provided to the compressor 2 and the booster pump. 3 and external power to form a dual-fuel combined cycle steam power plant.
  • the dual-fuel combined cycle steam power plant shown in Fig. 2/13 is implemented as follows:
  • the second boiler 7 is communicated with the outside, and there is an air passage connected to the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas channel communicated with the outside through the second heat source regenerator 9; condensation
  • the evaporator 4 has a condensate pipeline that is connected to the evaporator 5 through the booster pump 3, and then the evaporator 5 has a steam channel that communicates with the second boiler 7 through the high temperature regenerator 10, and the compressor 2 has a steam channel through the high temperature regenerator 10.
  • the second boiler 7 Connected with the second boiler 7, the second boiler 7 also has a steam passage that communicates with the steam turbine 1, and the steam turbine 1 and the low-pressure steam passage are connected to the evaporator 5 through the high temperature regenerator 10 and then divided into two paths - the first path and the compressor. 2 and the second channel communicate with the condenser 4; the condenser 4 also has a cooling medium channel to communicate with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; Overheating, flows through the high temperature regenerator 10 to absorb heat and heat up, and then enters the second boiler 7 to absorb heat to heat up; the steam discharged from the compressor 2 flows through the high temperature regenerator 10 to absorb heat to heat up, and then enters the second boiler 7 to absorb heat and heat up; The steam discharged from the second boiler 7 flows through the steam turbine 1 to reduce pressure to perform work, and the low-pressure steam discharged from the steam turbine 1 flows through the high temperature regenerator 10 and the evaporator 5 to gradually release heat and cool down, and then divide into two paths—the first path enters the compression The machine 2 is boosted and heated up, and the second path enters the condenser 4 to release heat and condense; the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, and the cooling medium passes through the condenser 4 to take away the low
  • the dual-fuel combined cycle steam power plant shown in Fig. 3/13 is implemented as follows:
  • the second boiler 7 is communicated with the outside, and there is an air passage connected to the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas channel communicated with the outside through the second heat source regenerator 9; condensation
  • the evaporator 4 has a condensate pipeline that is connected to the evaporator 5 through the booster pump 3, and then the evaporator 5 has a steam channel that communicates with the second boiler 7 through the high temperature regenerator 10, and the compressor 2 has a steam channel through the high temperature regenerator 10.
  • the second boiler 7 also has a steam passage that communicates with the steam turbine 1, and then the steam turbine 1 has a steam passage that communicates with itself through the high temperature regenerator 10, and the steam turbine 1 also has a low-pressure steam passage that communicates with the evaporator 5 and then divided into Two paths—the first path communicates with the compressor 2 and the second path communicates with the condenser 4; the condenser 4 also has a cooling medium channel that communicates with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; Overheating, flows through the high temperature regenerator 10 to absorb heat and heat up, and then enters the second boiler 7 to absorb heat to heat up; the steam discharged from the compressor 2 flows through the high temperature regenerator 10 to absorb heat to heat up, and then enters the second boiler 7 to absorb heat and heat up; The steam discharged from the second boiler 7 enters the steam turbine 1 to depressurize the work to a certain extent, and then flows through the high-temperature regenerator 10 to release heat and cool down, and then enters the steam turbine 1 to continue depressurization and work; the low-pressure steam discharged from the steam turbine 1 flows through the evaporator 5 to discharge Heat and cool down, and then divided into two paths - the first path enters the compressor 2 to increase the pressure and heat up, and the second path enters the condenser 4 to release heat and condense; The heat load is driven, the cooling medium takes away the low temperature
  • the passage is communicated with the boiler 6, and the external air passage is communicated with the boiler 6 through the heat source regenerator 8, and the boiler 6 also has a gas passage communicated with the outside through the heat source regenerator 8;
  • the condenser 4 has condensation
  • the boiler 6 has a steam channel to communicate with the second boiler 7,
  • the compressor 2 has a steam channel to communicate with the second boiler 7, and the second boiler 7 also has a steam channel to communicate with the steam turbine 1.
  • the steam turbine 1 also has a low-pressure steam passage that communicates with the heater 11 and then divides it into two routes—the first route communicates with the compressor 2 and the second route communicates with the condenser 4; the condenser 4 also has a cooling medium channel communicated with the outside , the heater 11 and the heated medium channel communicate with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled down, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside;
  • the second boiler 7 continues to absorb heat, and the steam discharged from the compressor 2 enters the second boiler 7 to absorb heat; the steam discharged from the second boiler 7 flows through the steam turbine 1 to reduce pressure to perform work, and the low-pressure steam discharged from the steam turbine 1 flows through the heater 11
  • the heat is released and cooled, and then divided into two paths - the first path enters the compressor 2 to increase the pressure, and the second path enters the condenser 4 to release heat and condense; the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7.
  • the cooling medium takes away the low temperature heat load through the condenser 4, the heated medium takes away the medium temperature heat load through the heater 11, and the work output by the steam turbine 1 is provided to the compressor 2 and the external power or the output of the steam turbine 1
  • Structurally it is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator; there is a low-grade fuel channel outside.
  • the outside Connected with the boiler 6, the outside also has an air channel that communicates with the boiler 6 through the heat source regenerator 8, and the boiler 6 also has a gas channel that communicates with the outside through the heat source regenerator 8; , the outside also has an air passage that communicates with the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas passage that communicates with the outside through the second heat source regenerator 9;
  • the condenser 4 has condensate
  • the pipeline is connected to the evaporator 5 through the booster pump 3, and then the evaporator 5 has a steam passage through the boiler 6 and then communicates with the steam turbine 1 through the intermediate port.
  • the compressor 2 has a steam passage to communicate with the second boiler 7, and the second boiler 7 also There is a steam passage that communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage that communicates with the evaporator 5 and then divides it into two routes—the first route communicates with the compressor 2 and the second route communicates with the condenser 4; the condenser 4 also has a cooling
  • the medium passage communicates with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; Overheating, flows through the boiler 6 to absorb heat and heat up, and then enters the steam turbine 1 through the intermediate steam inlet port to depressurize the work; the steam discharged from the compressor 2 enters the second boiler 7 to absorb heat and heat up, and the steam discharged from the second boiler 7 flows through the steam turbine 1.
  • the low-pressure steam discharged from the steam turbine 1 flows through the evaporator 5 to release heat and cool down, and then is divided into two paths - the first path enters the compressor 2 to increase the pressure and heat up, and the second path enters the condenser 4 to release heat and condense;
  • the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 4, and the work output by the steam turbine 1 is provided to the compressor 2 and the external power or steam turbine 1.
  • the output work is provided to the compressor 2, the booster pump 3 and the external power to form a dual-fuel combined cycle steam power plant.
  • the low-grade fuel channel is communicated with the boiler 6, the external air channel is communicated with the boiler 6 through the heat source regenerator 8, and the boiler 6 also has a gas channel communicated with the outside through the heat source regenerator 8;
  • the second boiler 7 is connected, and there is an external air channel that communicates with the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas channel that communicates with the outside through the second heat source regenerator 9; the condenser 4.
  • the evaporator 5 After the condensate pipeline is communicated with the evaporator 5 through the booster pump 3, the evaporator 5 has a steam passage communicated with the second steam turbine 12, the second steam turbine 12 also has a low-pressure steam passage communicated with the evaporator 5, and the compressor 2 has a
  • the steam passage is communicated with the second boiler 7, the second boiler 7 also has a steam passage communicated with the steam turbine 1, the steam turbine 1 also has a low pressure steam passage communicated with the evaporator 5, and the evaporator 5 also has a low pressure steam passage with the compressor 2 and the condenser respectively.
  • the condenser 4 communicates with the outside; the condenser 4 also has a cooling medium channel to communicate with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working fluid is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; Overheated, flows through the second steam turbine 12 to depressurize and perform work, and the low-pressure steam discharged from the second steam turbine 12 enters the evaporator 5; the steam discharged from the compressor 2 enters the second boiler 7 to absorb heat and heat up, and the steam discharged from the second boiler 7 flows through
  • the steam turbine 1 is depressurized to perform work, and the low-pressure steam discharged from the steam turbine 1 enters the evaporator 5; the two-path low-pressure steam entering the evaporator 5 is divided into two paths after releasing heat and cooling down.
  • the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 4, and the steam turbine 1 and the second steam turbine 12 output
  • the work provided by the compressor 2 and the external power or the work output by the steam turbine 1 and the second steam turbine 12 is provided to the compressor 2, the booster pump 3 and the external power to form a dual-fuel combined cycle steam power plant.
  • Structurally it is mainly composed of a steam turbine, a compressor, a booster pump, a condenser, an evaporator, a boiler, a second boiler, a heat source regenerator and a second heat source regenerator; there is a low-grade fuel channel outside.
  • the outside Connected with the boiler 6, the outside also has an air channel that communicates with the boiler 6 through the heat source regenerator 8, and the boiler 6 also has a gas channel that communicates with the outside through the heat source regenerator 8; , the outside also has an air passage that communicates with the second boiler 7 through the second heat source regenerator 9 and the boiler 6, and the second boiler 7 also has a gas passage that communicates with the outside through the second heat source regenerator 9;
  • the condenser 4 has condensate
  • the pipeline is connected to the evaporator 5 through the booster pump 3, and then the evaporator 5 has a steam channel that communicates with the second boiler 7 through the boiler 6.
  • the compressor 2 has a steam channel to communicate with the second boiler 7 through the boiler 6.
  • the second boiler 7 There is also a steam passage that communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage that communicates with the evaporator 5 and then divides it into two routes—the first route communicates with the compressor 2 and the second route communicates with the condenser 4; the condenser 4 also has The cooling medium passage communicates with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external low-grade fuel enters the boiler 6, and the first external air flows through the heat source regenerator 8 to absorb heat and heat up and then enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned to a higher temperature
  • the gas in the boiler 6 releases heat to the air flowing through it and cools down, and then flows through the heat source regenerator 8 to release heat to cool down and discharge to the outside;
  • the high-grade fuel and air are mixed in the second boiler 7 and burned into high-temperature gas, and the high-temperature gas releases heat when flowing through it.
  • the circulating working medium is cooled, and then flows through the second heat source regenerator 9 to release heat and reduce the temperature and discharge to the outside; All vaporized, flow through the boiler 6 and continue to absorb heat, and then enter the second boiler 7 to absorb heat and heat up; the steam discharged from the compressor 2 flows through the boiler 6 to absorb heat and heat up, and then enters the second boiler 7 to absorb heat and heat up; the second boiler 7 discharges
  • the steam flows through the steam turbine 1 to depressurize and perform work, and the low-pressure steam discharged from the steam turbine 1 flows through the evaporator 5 to release heat and cool down, and then is divided into two paths - the first path enters the compressor 2 for boosting and heating, and the second path enters the condenser. 4.
  • the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 4, and the work output by the steam turbine 1 is provided to the compressor 2 and The external driving force or the work output by the steam turbine 1 provides the compressor 2, the booster pump 3 and the external driving force to form a dual-fuel combined cycle steam power plant.
  • the second boiler 7 has a steam passage and is connected to the steam turbine 1 and is adjusted so that the second boiler 7 has a steam passage and the steam turbine communicates with the steam turbine 1. 1 also has a reheat steam passage communicating with itself via the second boiler 7.
  • the device 13 is mixed with the extraction steam from the compressor 2, absorbs heat and raises the temperature, and the extraction steam releases heat into condensate; , vaporization and superheating, then enter the second boiler 7 to absorb heat and heat up, and the steam discharged from the compressor 2 enters the second boiler 7 to absorb heat and heat up;
  • the low-pressure steam flows through the evaporator 5 to release heat and cool down, and then is divided into two paths - the first path enters the compressor 2 to increase pressure and heat up, and the second path enters the condenser 4 to release heat and condense; the low-pressure steam entering the compressor 2 is boosted After the temperature rises to a certain level, it is divided into two paths - the first path is supplied to the regenerator 13, and the second path continues to increase the pressure and heat up and then enters the second boiler 7 to form a dual-fuel combined cycle steam power plant.
  • the two paths enter the condenser 4 to release heat and condense; the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 4, and the expansion speed increaser 15 outputs
  • the work is provided to the dual-energy compressor 16 and external power to form a dual-fuel combined cycle steam power plant.
  • the low-pressure steam discharged by the expansion speed-up engine 15 flows through the evaporator 5 to release heat and cool down, and then is divided into two paths - the first path enters the dual-energy compressor 16 to increase the pressure and heat up and reduce the speed.
  • the second path enters the condenser 4 to release heat and condenses; the low-pressure steam entering the dual-energy compressor 16 is boosted and heated up and decelerated to a certain extent, and then divided into two paths—the first path is provided to the regenerator 13, and the second path is provided to the regenerator 13. After continuing to increase the pressure and temperature, it enters the second boiler 7 to form a dual-fuel combined cycle steam power plant.
  • the difference from the dual-fuel combined cycle steam power plant shown in Figure 1/13 is that the gas discharged from the second boiler 7 flows through the heat source regenerator 8 and is discharged to the outside after cooling down, and the external air flows After the heat source regenerator 8 absorbs heat and warms up, it is divided into two paths - the first path enters the boiler 6 to participate in the combustion process, and the second path flows through the boiler 6 and enters the second boiler 7 after absorbing heat and heating up, forming a dual-fuel combined cycle steam power plant. .
  • the outside also has a high-grade fuel channel that communicates with the second boiler 7, and the second boiler 7 also has a gas channel that communicates with the outside through the heat source regenerator 8;
  • the condenser 4 has a condensate pipeline through the booster pump 3 and the evaporator 5.
  • the evaporator 5 has a steam channel to communicate with the second boiler 7,
  • the compressor 2 has a steam channel to communicate with the second boiler 7,
  • the second boiler 7 also has a steam channel to communicate with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam channel.
  • the evaporator 5 After the evaporator 5 is connected, it is divided into two paths - the first path communicates with the compressor 2 and the second path communicates with the condenser 4; the condenser 4 also has a cooling medium channel to communicate with the outside, and the steam turbine 1 is connected to the compressor 2 and transmits power.
  • the external air flows through the heat source regenerator 8 and then is divided into two paths after absorbing heat and heating up—the first path directly enters the boiler 6 to participate in the combustion process, and the second path flows through the boiler 6 and continues to absorb heat and heat up and then enters the second path.
  • Boiler 7 the external low-grade fuel enters the boiler 6, and the low-grade fuel and air are mixed in the boiler 6 and burned into a higher-temperature primary gas, and the primary gas releases heat into the second boiler 7 after the air flowing through it; the external The high-grade fuel enters the second boiler 7, and the high-grade fuel is mixed with the primary gas and air from the boiler 6 and burns into high-temperature gas.
  • the high-temperature gas releases heat to the circulating working medium flowing through it and cools down, and then flows through the heat source to regenerate heat.
  • the condensate of the condenser 4 flows through the booster pump 3 to increase the pressure, flows through the evaporator 5 to absorb heat to increase temperature, vaporize and superheat, and then enters the second boiler 7 to absorb heat and increase the temperature, and the compressor 2
  • the discharged steam enters the second boiler 7 to absorb heat and heat up; the steam discharged from the second boiler 7 flows through the steam turbine 1 to reduce pressure to perform work, and the low-pressure steam discharged from the steam turbine 1 flows through the evaporator 5 to release heat and cool down, and then is divided into two paths——
  • the first path enters the compressor 2 to increase the pressure, and the second path enters the condenser 4 to release heat and condense; the low-grade fuel passes through the boiler 6 and the high-grade fuel passes through the second boiler 7 to jointly provide the driving heat load, and the cooling medium passes through the conden

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

La présente invention se rapporte au domaine technique de la thermodynamique et de la puissance thermique, et concerne un dispositif de puissance à vapeur à circulation combinée à deux carburants. L'extérieur est pourvu d'un canal de carburant de qualité inférieure qui communique avec une chaudière et d'un canal d'air qui communique avec la chaudière en passant à travers un régénérateur de source de chaleur, et la chaudière est en outre pourvue d'un canal de gaz combustible qui communique avec l'extérieur en passant à travers le régénérateur de source de chaleur. L'extérieur est en outre pourvu d'un canal de carburant de qualité supérieure qui communique avec une seconde chaudière et d'un canal d'air qui communique avec la seconde chaudière en passant à travers un second régénérateur de source de chaleur et la chaudière, et la seconde chaudière est en outre pourvue d'un canal de gaz combustible qui communique avec l'extérieur en passant à travers le second régénérateur de source de chaleur. Après qu'un condenseur communique avec un évaporateur en passant à travers une pompe de surpression, l'évaporateur est en outre pourvu d'un canal de vapeur qui communique avec la seconde chaudière, un compresseur est pourvu d'un canal de vapeur qui communique avec la seconde chaudière, la seconde chaudière est également pourvue d'un canal de vapeur qui communique avec une turbine à vapeur, et la turbine à vapeur est en outre pourvue d'un canal de vapeur à basse pression qui communique séparément avec le compresseur et le condenseur en passant à travers l'évaporateur. Le condenseur est en outre pourvu d'un canal de milieu de refroidissement qui communique avec l'extérieur, et la turbine à vapeur est reliée au compresseur et transmet de l'énergie, et un dispositif de puissance à vapeur à circulation combinée à deux carburants est formé.
PCT/CN2021/000248 2021-01-03 2021-12-31 Dispositif de puissance à vapeur à circulation combinée à deux carburants WO2022141610A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1959084A (zh) * 2006-04-13 2007-05-09 中国科学院工程热物理研究所 燃烧高炉煤气燃气轮机联合循环方法及装置
CN101144396A (zh) * 2006-09-15 2008-03-19 马龙根 双燃料助燃型燃气-蒸汽联合循环系统
US20110315096A1 (en) * 2010-06-01 2011-12-29 ITI Group Corporation Gasifier Hybrid combined cycle power plant
CN104895631A (zh) * 2014-05-10 2015-09-09 李华玉 空气-蒸汽联合循环装置与空气轮机循环装置
CN104929706A (zh) * 2014-05-28 2015-09-23 李华玉 联合循环供能系统
CN104948245A (zh) * 2014-06-09 2015-09-30 李华玉 联合循环供能系统
CN111852586A (zh) * 2019-05-19 2020-10-30 李华玉 联合循环动力装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1959084A (zh) * 2006-04-13 2007-05-09 中国科学院工程热物理研究所 燃烧高炉煤气燃气轮机联合循环方法及装置
CN101144396A (zh) * 2006-09-15 2008-03-19 马龙根 双燃料助燃型燃气-蒸汽联合循环系统
US20110315096A1 (en) * 2010-06-01 2011-12-29 ITI Group Corporation Gasifier Hybrid combined cycle power plant
CN104895631A (zh) * 2014-05-10 2015-09-09 李华玉 空气-蒸汽联合循环装置与空气轮机循环装置
CN104929706A (zh) * 2014-05-28 2015-09-23 李华玉 联合循环供能系统
CN104948245A (zh) * 2014-06-09 2015-09-30 李华玉 联合循环供能系统
CN111852586A (zh) * 2019-05-19 2020-10-30 李华玉 联合循环动力装置

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